Efficient refresh operation for semiconductor memory devices

Details Efficient refresh operation for semiconductor memory devices Efficient refresh operation for semiconductor memory devices

2006-03-28

2006-03-28

Mai, Son (Department: 2827)

Static information storage and retrieval

Read/write circuit

Data refresh

C365S189070, C365S236000

Reexamination Certificate

active

07020038

ABSTRACT:
A method and system are disclosed for refreshing a memory module. After identifying a beginning of a memory module for a refreshing operation, at least one address within the memory module being accessed is identified. When the refreshing operation approaches the identified accessed memory address, the refreshing operation is to be skipped, thereby skipping a predetermined number of clock cycles due to the skipped refreshing operation.

REFERENCES:
patent: 4628488 (1986-12-01), Saku et al.
patent: 6094705 (2000-07-01), Song
patent: 6178479 (2001-01-01), Vishin
patent: 6490216 (2002-12-01), Chen et al.
patent: 6819618 (2004-11-01), Kashiwazaki

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